20003113103 has 8 divisors (see below), whose sum is σ = 20698872960. Its totient is φ = 19310509440.

The previous prime is 20003113099. The next prime is 20003113127. The reversal of 20003113103 is 30131130002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20003113103 - 2² = 20003113099 is a prime.

It is a super-2 number, since 2×20003113103² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003116103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776150 + ... + 801507.

It is an arithmetic number, because the mean of its divisors is an integer number (2587359120).

Almost surely, 2^20003113103 is an apocalyptic number.

20003113103 is a deficient number, since it is larger than the sum of its proper divisors (695759857).

20003113103 is a wasteful number, since it uses less digits than its factorization.

20003113103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578097.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 20003113103 its reverse (30131130002), we get a palindrome (50134243105).

The spelling of 20003113103 in words is "twenty billion, three million, one hundred thirteen thousand, one hundred three".